http://weblogs.asp.net/joelvarty/archive/tags/Output+Cache/default.aspxTags: Output CacheenCommunityServer 2007 SP1 (Build: 20510.895)http://weblogs.asp.net/joelvarty/archive/2009/01/09/control-output-caching-and-registerclientscriptinclude.aspxFri, 09 Jan 2009 19:06:56 GMTc06e2b9d-981a-45b4-a55f-ab0d8bbfdc1c:6829144joelvarty0http://weblogs.asp.net/joelvarty/rsscomments.aspx?PostID=6829144http://weblogs.asp.net/joelvarty/archive/2009/01/09/control-output-caching-and-registerclientscriptinclude.aspx#comments<p>Always remember that if you are using Control output caching, RegisterClientScriptInclude will NOT run if the used control is returning a cached version.</p> <p>This also goes for any controls (user or custom) nested within your ascx.</p> <p>The workaround?&#160; You need to add the &lt;script&gt; tage manually in the markup, or, if you want to have the &lt;script&gt; in the header, put it into your aspx or master page.</p> <p>Just a heads up - joel</p><img src="http://weblogs.asp.net/aggbug.aspx?PostID=6829144" width="1" height="1">ASP.NETOutput Cache